The universe has always seemed like a grand, unstoppable machine. From theories such as the Big Crunch to the long, cold ...

The buttons are timed using a combination of voltage dividers and caps to activate transistors, one to activate the 555 timer and another to disable the button input after a half second or so.

Continue reading “Want A Two Person Self Destruct Button, But Tired Of Pesky Microcontrollers?” → Posted in how-to Tagged dual button , self destruct , switch Search ...

Self-destruct buttons (especially the deluxe models) have been part of geekgeist at least since Battle Damage He-Man. ... with the last switch actually powering the machine on.

The Japan Aerospace Exploration Agency (JAXA) was forced to push the self-destruct button on its latest Epsilon rocket launch after it deviated off course mid-flight. The Epsilon Launch Vehicle is ...